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package com.biblioteca.servicio;

import com.biblioteca.persistencia.Rol;
import com.google.appengine.api.datastore.Key;
import java.util.Collection;

/**
 *
 * @author hellwolf
 */
public interface RolServicio {
    
    public void create(final Rol rol);
    
    public Collection<Rol> getAllRoles();
     
    public Rol getRol(Key keyRol);
    
}
